Finding the Fourth Proportional to 2,383.70, 3,290.99 and 1,500.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.70 : 3,290.99 = 1,500.80 : x
2. Step 2: Convert to fraction form
   2,383.70/3,290.99 = 1,500.80/x
3. Step 3: Cross multiply
   2,383.70x = 3,290.99 × 1,500.80
4. Step 4: Simplify right side
   2,383.70x = 4,939,093.83
5. Step 5: Solve for x
   x = 4,939,093.83/2,383.70
6. Step 6: Final answer
   x = 2,072.03